mirror of
https://github.com/ACSPRI/queXS
synced 2024-04-02 12:12:16 +00:00
306 lines
13 KiB
PHP
306 lines
13 KiB
PHP
<?php
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/*
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* LimeSurvey
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* Copyright (C) 2007 The LimeSurvey Project Team / Carsten Schmitz
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* All rights reserved.
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* License: GNU/GPL License v2 or later, see LICENSE.php
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* LimeSurvey is free software. This version may have been modified pursuant
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* to the GNU General Public License, and as distributed it includes or
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* is derivative of works licensed under the GNU General Public License or
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* other free or open source software licenses.
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* See COPYRIGHT.php for copyright notices and details.
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*
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* $Id: export_data_spss.php 11664 2011-12-16 05:19:42Z tmswhite $
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*/
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// Security Checked: POST, GET, SESSION, REQUEST, returnglobal, DB
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/*
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* The SPSS DATA LIST / BEGIN DATA parser is rather simple minded, the number after the type
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* specifier identifies the field width (maximum number of characters to scan)
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* It will stop short of that number of characters, honouring quote delimited
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* space separated strings, however if the width is too small the remaining data in the current
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* line becomes part of the next column. Since we want to restrict this script to ONE scan of
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* the data (scan & output at same time), the information needed to construct the
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* DATA LIST is held in the $fields array, while the actual data is written to a
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* to a temporary location, updating length (size) values in the $fields array as
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* the tmp file is generated (uses @fwrite's return value rather than strlen).
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* Final output renders $fields to a DATA LIST, and then stitches in the tmp file data.
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*
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* Optimization opportunities remain in the VALUE LABELS section, which runs a query / column
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*/
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include_once('login_check.php');
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//for scale 1=nominal, 2=ordinal, 3=scale
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$typeMap = array(
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'5'=>Array('name'=>'5 Point Choice','size'=>1,'SPSStype'=>'F','Scale'=>3),
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'B'=>Array('name'=>'Array (10 Point Choice)','size'=>1,'SPSStype'=>'F','Scale'=>3),
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'A'=>Array('name'=>'Array (5 Point Choice)','size'=>1,'SPSStype'=>'F','Scale'=>3),
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'F'=>Array('name'=>'Array (Flexible Labels)','size'=>1,'SPSStype'=>'F'),
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'1'=>Array('name'=>'Array (Flexible Labels) Dual Scale','size'=>1,'SPSStype'=>'F'),
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'H'=>Array('name'=>'Array (Flexible Labels) by Column','size'=>1,'SPSStype'=>'F'),
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'E'=>Array('name'=>'Array (Increase, Same, Decrease)','size'=>1,'SPSStype'=>'F','Scale'=>2),
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'C'=>Array('name'=>'Array (Yes/No/Uncertain)','size'=>1,'SPSStype'=>'F'),
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'X'=>Array('name'=>'Boilerplate Question','size'=>1,'SPSStype'=>'A','hide'=>1),
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'D'=>Array('name'=>'Date','size'=>10,'SPSStype'=>'SDATE'),
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'G'=>Array('name'=>'Gender','size'=>1,'SPSStype'=>'F'),
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'U'=>Array('name'=>'Huge Free Text','size'=>1,'SPSStype'=>'A'),
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'I'=>Array('name'=>'Language Switch','size'=>1,'SPSStype'=>'A'),
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'!'=>Array('name'=>'List (Dropdown)','size'=>1,'SPSStype'=>'F'),
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'W'=>Array('name'=>'List (Flexible Labels) (Dropdown)','size'=>1,'SPSStype'=>'F'),
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'Z'=>Array('name'=>'List (Flexible Labels) (Radio)','size'=>1,'SPSStype'=>'F'),
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'L'=>Array('name'=>'List (Radio)','size'=>1,'SPSStype'=>'F'),
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'O'=>Array('name'=>'List With Comment','size'=>1,'SPSStype'=>'F'),
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'T'=>Array('name'=>'Long free text','size'=>1,'SPSStype'=>'A'),
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'K'=>Array('name'=>'Multiple Numerical Input','size'=>1,'SPSStype'=>'F'),
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'M'=>Array('name'=>'Multiple choice','size'=>1,'SPSStype'=>'F'),
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'P'=>Array('name'=>'Multiple choice with comments','size'=>1,'SPSStype'=>'F'),
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'Q'=>Array('name'=>'Multiple Short Text','size'=>1,'SPSStype'=>'F'),
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'N'=>Array('name'=>'Numerical Input','size'=>3,'SPSStype'=>'F','Scale'=>3),
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'R'=>Array('name'=>'Ranking','size'=>1,'SPSStype'=>'F'),
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'S'=>Array('name'=>'Short free text','size'=>1,'SPSStype'=>'F'),
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'Y'=>Array('name'=>'Yes/No','size'=>1,'SPSStype'=>'F'),
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':'=>Array('name'=>'Multi flexi numbers','size'=>1,'SPSStype'=>'F','Scale'=>3),
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';'=>Array('name'=>'Multi flexi text','size'=>1,'SPSStype'=>'A'),
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'|'=>Array('name'=>'File upload','size'=>1,'SPSStype'=>'A'),
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'*'=>Array('name'=>'Equation','size'=>1,'SPSStype'=>'A'),
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);
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if (!isset($surveyid)) {$surveyid=returnglobal('sid');}
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$filterstate = incompleteAnsFilterstate();
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$quexsfilterstate = questionnaireSampleFilterstate();
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$spssver = returnglobal('spssver');
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if (is_null($spssver)) {
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if (!isset($_SESSION['spssversion'])) {
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$_SESSION['spssversion'] = 2; //Set default to 2, version 16 or up
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}
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$spssver = $_SESSION['spssversion'];
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} else {
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$_SESSION['spssversion'] = $spssver;
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}
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$length_varlabel = '255'; // Set the max text length of Variable Labels
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$length_vallabel = '120'; // Set the max text length of Value Labels
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switch ($spssver) {
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case 1: //<16
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$length_data = '255'; // Set the max text length of the Value
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break;
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case 2: //>=16
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$length_data = '16384'; // Set the max text length of the Value
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break;
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default:
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$length_data = '16384'; // Set the max text length of the Value
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}
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$headerComment = '*$Rev: 11664 $' . " $quexsfilterstate $filterstate $spssver.\n";
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if (isset($_GET['dldata'])) $subaction = "dldata";
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if (isset($_GET['dlstructure'])) $subaction = "dlstructure";
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if (!isset($subaction))
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{
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$exportspssoutput = browsemenubar($clang->gT('Export results'));
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$exportspssoutput .= "<div class='header ui-widget-header'>".$clang->gT("Export result data to SPSS")."</div>\n";
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$selecthide="";
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$selectshow="";
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$selectinc="";
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switch ($filterstate) {
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case "inc":
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$selectinc="selected='selected'";
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break;
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case "filter":
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$selecthide="selected='selected'";
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break;
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default:
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$selectshow="selected='selected'";
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}
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$exportspssoutput .= "<form action='$scriptname' id='exportspss' method='get'><ul>\n"
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."<li><label for='filterinc'>".$clang->gT("Data selection:")."</label><select id='filterinc' name='filterinc' onchange='this.form.submit();'>\n"
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."\t<option value='filter' $selecthide>".$clang->gT("Completed responses only")."</option>\n"
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."\t<option value='show' $selectshow>".$clang->gT("All responses")."</option>\n"
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."\t<option value='incomplete' $selectinc>".$clang->gT("Incomplete responses only")."</option>\n"
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."</select></li>\n";
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//queXS Addition
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include_once("../quexs.php");
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$exportspssoutput .= "<li><label for='quexsfilterinc'>".$clang->gT("Questionnaire and Sample selection:")."</label><select id='quexsfilterinc' name='quexsfilterinc' onchange='this.form.submit();'>\n"
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."\t<option value='all' >".$clang->gT("All queXS questionnaires and samples associated with this instrument")."</option>\n"
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. get_questionnaire_sample_list($surveyid,$quexsfilterstate)
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."</select></li>\n";
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$exportspssoutput .= "<li><label for='spssver'>".$clang->gT("SPSS version:")."</label><select id='spssver' name='spssver' onchange='this.form.submit();'>\n";
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if ($spssver == 1) $selected = "selected='selected'"; else $selected = "";
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$exportspssoutput .= "\t<option value='1' $selected>".$clang->gT("Prior to 16")."</option>\n";
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if ($spssver == 2) $selected = "selected='selected'"; else $selected = "";
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$exportspssoutput .= "\t<option value='2' $selected>".$clang->gT("16 or up")."</option>\n";
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$exportspssoutput .= "</select></li>\n";
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$exportspssoutput .= "<input type='hidden' name='sid' value='$surveyid' />\n"
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."<input type='hidden' name='action' value='exportspss' /></li>\n"
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."<li><label for='dlstructure'>" . $clang->gT("Step 1:") . "</label><input type='submit' name='dlstructure' id='dlstructure' value='" . $clang->gT("Export syntax") . "'/></li>\n"
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."<li><label for='dldata'/>" . $clang->gT("Step 2:") . "</label><input type='submit' name='dldata' id='dldata' value='" . $clang->gT("Export data") . "'/></li></ul>\n"
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."</form>\n";
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$exportspssoutput .= "<p><div class='messagebox ui-corner-all'><div class='header ui-widget-header'>".$clang->gT("Instructions for the impatient")."</div>"
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."<br/><ol style='margin:0 auto; font-size:8pt;'>"
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."<li>".$clang->gT("Download the data and the syntax file.")."</li>"
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."<li>".$clang->gT("Open the syntax file in SPSS in Unicode mode").".</li>"
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."<li>".$clang->gT("Edit the 4th line and complete the filename with a full path to the downloaded data file.")."</li>"
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."<li>".$clang->gT("Choose 'Run/All' from the menu to run the import.")."</li>"
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."</ol><p>"
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.$clang->gT("Your data should be imported now.").'</div>';
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} else {
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// Get Base language:
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$language = GetBaseLanguageFromSurveyID($surveyid);
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$clang = new limesurvey_lang($language);
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require_once ("export_data_functions.php");
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}
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if ($subaction=='dldata') {
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header("Content-Disposition: attachment; filename=survey_".$surveyid."_SPSS_data_file.dat");
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header("Content-type: text/comma-separated-values; charset=UTF-8");
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header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
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header("Pragma: public");
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if ($spssver == 2) echo "\xEF\xBB\xBF";
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$na = "";
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spss_export_data($na);
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exit;
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}
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if ($subaction=='dlstructure') {
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header("Content-Disposition: attachment; filename=survey_".$surveyid."_SPSS_syntax_file.sps");
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header("Content-type: application/download; charset=UTF-8");
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header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
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header("Pragma: public");
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// Build array that has to be returned
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$fields = spss_fieldmap();
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//Now get the query string with all fields to export
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$query = spss_getquery();
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$result=db_execute_num($query) or safe_die("Couldn't get results<br />$query<br />".$connect->ErrorMsg()); //Checked
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$num_fields = $result->FieldCount();
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//Now we check if we need to adjust the size of the field or the type of the field
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while ($row = $result->FetchRow()) {
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$fieldno = 0;
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while ($fieldno < $num_fields)
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{
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//Performance improvement, don't recheck fields that have valuelabels
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if (!isset($fields[$fieldno]['answers'])) {
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$strTmp=mb_substr(strip_tags_full($row[$fieldno]), 0, $length_data);
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$len = mb_strlen($strTmp);
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if($len > $fields[$fieldno]['size']) $fields[$fieldno]['size'] = $len;
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if (trim($strTmp) != ''){
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if ($fields[$fieldno]['SPSStype']=='F' && (my_is_numeric($strTmp)===false || $fields[$fieldno]['size']>16))
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{
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$fields[$fieldno]['SPSStype']='A';
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}
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}
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}
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$fieldno++;
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}
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}
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/**
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* End of DATA print out
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*
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* Now $fields contains accurate length data, and the DATA LIST can be rendered -- then the contents of the temp file can
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* be sent to the client.
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*/
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if ($spssver == 2) echo "\xEF\xBB\xBF";
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echo $headerComment;
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if ($spssver == 2) echo "SET UNICODE=ON.\n";
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echo "GET DATA\n"
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." /TYPE=TXT\n"
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." /FILE='survey_".$surveyid."_SPSS_data_file.dat'\n"
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." /DELCASE=LINE\n"
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." /DELIMITERS=\",\"\n"
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." /QUALIFIER=\"'\"\n"
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." /ARRANGEMENT=DELIMITED\n"
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." /FIRSTCASE=1\n"
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." /IMPORTCASE=ALL\n"
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." /VARIABLES=";
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foreach ($fields as $field){
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if($field['SPSStype'] == 'DATETIME23.2') $field['size']='';
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if($field['SPSStype']=='F' && ($field['LStype'] == 'N' || $field['LStype']=='K')) {
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$field['size'].='.'.($field['size']-1);
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}
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if (!$field['hide']) echo "\n {$field['id']} {$field['SPSStype']}{$field['size']}";
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}
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echo ".\nCACHE.\n"
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."EXECUTE.\n";
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//Create the variable labels:
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echo "*Define Variable Properties.\n";
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foreach ($fields as $field) {
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if (!$field['hide']) echo "VARIABLE LABELS " . $field['id'] . " \"" . str_replace('"','""',mb_substr(strip_tags_full($field['VariableLabel']),0,$length_varlabel)) . "\".\n";
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}
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// Create our Value Labels!
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echo "*Define Value labels.\n";
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foreach ($fields as $field) {
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if (isset($field['answers'])) {
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$answers = $field['answers'];
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//print out the value labels!
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echo "VALUE LABELS {$field['id']}\n";
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$i=0;
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foreach ($answers as $answer) {
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$i++;
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if ($field['SPSStype']=="F" && my_is_numeric($answer['code'])) {
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$str = "{$answer['code']}";
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} else {
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$str = "\"{$answer['code']}\"";
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}
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if ($i < count($answers)) {
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echo " $str \"{$answer['value']}\"\n";
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} else {
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echo " $str \"{$answer['value']}\".\n";
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}
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}
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}
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}
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foreach ($fields as $field){
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if($field['scale']!=='') {
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switch ($field['scale']) {
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case 2:
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echo "VARIABLE LEVEL {$field['id']}(ORDINAL).\n";
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break;
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case 3:
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echo "VARIABLE LEVEL {$field['id']}(SCALE).\n";
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}
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}
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}
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//Rename the Variables (in case somethings goes wrong, we still have the OLD values
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foreach ($fields as $field){
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if (isset($field['sql_name']) && $field['hide']===0) {
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$ftitle = $field['title'];
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if (!preg_match ("/^([a-z]|[A-Z])+.*$/", $ftitle)) {
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$ftitle = "q_" . $ftitle;
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}
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$ftitle = str_replace(array(" ","-",":",";","!","/","\\","'"), array("_","_hyph_","_dd_","_dc_","_excl_","_fs_","_bs_",'_qu_'), $ftitle);
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if ($ftitle != $field['title']) echo "* Variable name was incorrect and was changed from {$field['title']} to $ftitle .\n";
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echo "RENAME VARIABLE ( " . $field['id'] . " = " . $ftitle . " ).\n";
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}
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}
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exit;
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}
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?>
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